GLOSSARY
Ledger
System of record that tracks debits and credits for balances, payouts, and fees.
A ledger records debits and credits for accounts such as customer balances, disbursements, refunds, and fees. Ledgers provide auditability and prevent double-spend by enforcing ordered postings and invariants.
Payment platforms often ledger holds, settlements, and reserves, then export to accounting tools. Accurate ledgers simplify tax (e.g., VAT) and reconciliation with processors and banks.
In the product
Where this term matters in operation.
The glossary is not meant to be academic. It explains the language teams use in Kotao while selling, planning, paying, reporting, and automating.
In sales
Terms like this appear inside POS, checkout, bookings, offers, and customer communication.
In back office
Finance, inventory, HR, and reporting need the same meaning so reports do not drift apart.
In integrations
APIs, imports, webhooks, and exports work better when teams use the same definitions.
Related terms.
Acquirer
Bank or payment institution that signs merchants and routes their card transactions into the card networks.
Apple Pay
Mobile wallet by Apple that tokenizes cards for contactless and in-app payments.
Card Fraud
Unauthorized card use or theft of credentials to initiate transactions.
Card Network
Payment network (e.g., Visa/Mastercard) that sets rules and routes card transactions between issuers and acquirers.